Borosilicate glass, KIMAX®.

These bottle is used in the determination of specific gravity for a large variety of semi-solid materials and emulsions including soft tar pitches, resins and varnishes, according to ASTM D70, D1963, D1429, D115. It features short length conical stopper on the underside and has a hole approximately 1,6 mm in diameter to allow air to escape.

KIMAX® glass conforms to USP Type I and ASTM E438, Type I, class A requirements.